Home / 8,605,726.74-12,900,571.11-2,922,063.66

Finding the Fourth Proportional to 8,605,726.74, 12,900,571.11 and 2,922,063.66

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Solution

The fourth proportional to 8,605,726.74, 12,900,571.11 and 2,922,063.66 is: 4,380,372.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605,726.74 : 12,900,571.11 = 2,922,063.66 : x
  2. Step 2: Convert to fraction form
    8,605,726.74/12,900,571.11 = 2,922,063.66/x
  3. Step 3: Cross multiply
    8,605,726.74x = 12,900,571.11 × 2,922,063.66
  4. Step 4: Simplify right side
    8,605,726.74x = 37,696,290,033,776.86
  5. Step 5: Solve for x
    x = 37,696,290,033,776.86/8,605,726.74
  6. Step 6: Final answer
    x = 4,380,372.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.